23 citations
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June 2014 in “International Journal of Cosmetic Science” This study reported that the treatment of hair with glyoxylic acid straighteners causes major conformational changes within the hair fiber due to interactions between carbonyl and keratin components.
July 2026 in “Journal of the Kenya National Commission for UNESCO” In this study, commercial synthetic braiding hair samples from Kenya were analyzed, revealing that while no Ammonium Thioglycolate was detected, significant formaldehyde contamination was present, with varying concentrations throughout the hair strands, potentially impacting consumer safety.
15 citations
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July 2002 in “Australasian Journal of Dermatology” In this case report, two plywood mill workers developed allergic contact dermatitis due to exposure to uncured phenol-formaldehyde resin, not sawdust as initially suspected.
13 citations
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September 2020 in “Sensors” This study used melamine formaldehyde particles to measure a pH gradient along the hair shaft, showing a significant pH decrease from the hair sheath to the external shaft.
11 citations
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January 1987 in “Australian Journal of Experimental Agriculture” In this study, Australian cashmere goats receiving protein supplements maintained their weight and showed increased fleece growth, though cashmere growth was largely unaffected.